git: openjdk/jdk-sandbox: classfile-api-dev-branch: new JMH micro benchmark focused on clean StackMapGenerator throughput

[Adam Sotona]

Changeset: 709baa16
Author:    Adam Sotona <asotona at openjdk.org>
Date:      2022-07-08 14:31:35 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/709baa16ab08207360e12af76ca3a68e424d2df9

new JMH micro benchmark focused on clean StackMapGenerator throughput

! make/RunTests.gmk
! make/test/BuildMicrobenchmark.gmk
+ test/micro/org/openjdk/bench/jdk/classfile/GenerateStackMaps.java